body {
  background-color: #f1f1f1;
}

.announcement {
  width: 100%;
  margin: 10px 0;
  border-radius: 5px;
  padding: 15px;
  text-align: center;
  background: #F5C327;
  font-size: 20px;
  font-weight: bold;
}

.well-xxsm {
  padding: 0;
}

.well-video-container {
  background-color: #fefefe;
  border: 0;
  -webkit-box-shadow: 1px 1px 5px 1px rgba(0,0,0,0.10);
      box-shadow: 1px 1px 5px 1px rgba(0,0,0,0.10);
}

.video-container-title {
  padding: 15px;
  text-align: center;
  font-weight: bold;
  font-size: 1.4em;
}

.video-container-thumbnail {
  filter: alpha(opacity=50);
  opacity: 0.5;
  -webkit-transition: opacity .2s ease-in-out;
     -moz-transition: opacity .2s ease-in-out;
          transition: opacity .2s ease-in-out;
}

.video-container-thumbnail:hover {
  filter: alpha(opacity=100);
  opacity: 1;
  cursor: pointer;
}

.video-container-info {
  padding: 15px;
  text-align: center;
  font-size: 1.0em;
}

.video-container-presenter {
  font-size: 0.8em;
}

.video-player-container {
  background-color: #424242;
  padding: 20px 10px;
}

.jumbotron-close {
  float: right;
  font-size: 40px;
  line-height: 1;
  color: #fefefe;
  filter: alpha(opacity=20);
  opacity: .2;
}

.jumbotron-close:hover,
.jumbotron-close:focus {
  color: #fefefe;
  text-decoration: none;
  cursor: pointer;
  filter: alpha(opacity=100);
  opacity: 1;
}

button.jumbotron-close {
  -webkit-appearance: none;
  margin: -10px 15px 0 0;
  padding: 0;
  cursor: pointer;
  background: transparent;
  border: 0;
}

@media screen and (min-width: 768px) and (max-width: 992px) {
  .video-col:nth-child(2n + 1) {
    clear: both;
  }
}

@media screen and (min-width: 992px) {
  .video-col:nth-child(4n + 1) {
    clear: both;
  }
}